Lg Display Co., Ltd.

Lg Display Co., Ltd., Chicago, IL US

Patent application number

Description

Published

20130023180

APPARATUS FOR ETCHING SUBSTRATE AND FABRICATION LINE FOR FABRICATING LIQUID CRYSTAL DISPLAY USING THE SAME - A substrate etching apparatus includes: a cassette to receive a substrate that has finished a previous process, and transfer the substrate; a first robot to take the substrate out of the cassette; a second robot to receive the substrate from the first robot and move the substrate mounted thereon vertically up and down; an etching cassette comprising a support to support the substrate and a holder to fix the substrate loaded from the second robot; a cassette fixing unit to fix at least one or more etching cassettes and being rotated at a pre-set angle to allow the substrate to be disposed perpendicular to the ground; and an etching unit to etch the substrate disposed perpendicular to the ground by the cassette fixing unit.

01-24-2013

20130071973

METHOD FOR FABRICATING THIN FILM TRANSISTOR ARRAY SUBSTRATE - A method of fabricating a thin film transistor array substrate is disclosed. The method includes: sequentially forming a first passivation layer, a photo acryl layer and a first transparent metal layer on the substrate provided with the source/drain electrodes and so on; forming a common electrode, which is disposed in the pixel region, and first through third contact holes, which are positioned in regions of the drain electrode, the gate pad and the data pad, respectively, using one of a half-tone mask and a diffractive mask; forming a second passivation layer on the substrate provided with the first through third contact holes; exposing the drain electrode, the gate pad and the data pad by removing the first and second passivation layers from the drain electrode region, the gate pad region and data pad region; and forming a pixel electrode on the second passivation layer opposite to the common electrode by forming a second transparent metal layer on the substrate and performing a third mask procedure for the second transparent metal layer.

03-21-2013

20130083001

ORGANIC LIGHT-EMITTING DISPLAY DEVICE - An organic light-emitting display device includes: an organic light-emitting panel defined into a plurality of pixel regions which each includes a drive transistor configured to drive an organic light emission element and a load capacitor configured to charge a threshold voltage of the drive transistor; and a controller configured to calculate an offset information on the basis of the threshold voltage and derive a second image signal by reflecting the offset information to a first image signal.

04-04-2013

20130083092

LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is a liquid crystal display apparatus which improves uniformity in luminance of RGB pixels by asymmetrically designing RGB pixels, and to enhances display quality, the apparatus comprises a red pixel switching element that switches a driving signal of the red pixel; a green pixel for transmitting green-colored light; a green pixel switching element that switches a driving signal of the green pixel; a blue pixel for transmitting blue-colored light; and a blue pixel switching element that switches a driving signal of the blue pixel, wherein a switching element of at least one pixel having relatively low luminance among the red pixel, green pixel and blue pixel is formed in the pixel area having relatively high luminance.

04-04-2013

20130083093

ORGANIC LIGHT EMITTING DISPLAY DEVICE AND DRIVING METHOD THEREOF - Disclosed is an organic light emitting display device including: plurality of data lines; a charging line formed in a direction crossing the plurality of data lines; and charging switches connected between the charging line and the data lines. The charging line inputs a charging voltage and the charging switches are individually controlled in data line.

04-04-2013

20130084683

LIQUID CRYSTAL DISPLAY DEVICE WITH SHIELD LINES ON DATA LINES AND THIN FILM TRANSISTOR COMPONENTS - A liquid crystal display device includes a p-type driving thin film transistor and an n-type driving thin film transistor in a non-display region, and a pixel thin film transistor connected to a gate line and a data line in a display region. The liquid crystal display device further includes a pixel electrode that covers and directly contacts a third drain electrode of the pixel thin film transistor, a shield pattern that covers and directly contacts each of the first source electrode and the first drain electrode of the p-type driving thin film transistor and the second source electrode and the second drain electrode of the n-type driving thin film transistor, and a shield line that covers and directly contacts the data line and a third source electrode of the pixel thin film transistor.

04-04-2013

20130087934

SUBSTRATE FOR DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a substrate for a display device comprises forming a first pattern within an active region of the substrate and at the same time forming a first overlay pattern at corner regions of the active region; and forming a second pattern within the active region of the substrate and at the same time forming a second overlay pattern at corner regions of the active region, wherein the first overlay pattern includes gradations arranged in a predetermined direction, and the second overlay pattern includes gradations arranged in the predetermined direction to face the gradations of the first overlay pattern.

04-11-2013

20130088417

ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - An OLED display device is provided. The OLED display device includes a first transistor connected to a data line and a first node; a second transistor connected to the first node and a second node; a third transistor connected to a reference voltage terminal and a third node; a fourth transistor connected to an initialization voltage terminal and the second node; a fifth transistor connected to the reference voltage terminal and the second node; a driving transistor; and an OLED connected to a low-level power supply voltage terminal and the second node. The driving transistor has a source connected to the second node, a gate connected to the third node, and a drain connected to a high-level power supply voltage terminal.

04-11-2013

20130088418

STEREOSCOPIC IMAGE DISPLAY - A stereoscopic image display includes a display panel, which selectively displays a 2D image and a 3D image and includes a plurality of pixels, and a patterned retarder for dividing light from the display panel into first polarized light and second polarized light. Each of the pixels includes a main display unit including a first pixel electrode and a first common electrode, a subsidiary display unit including a second pixel electrode and a second common electrode, and a line unit disposed between the main display unit and the subsidiary display unit. The line unit includes a gate line, a discharge control line through which a discharge control voltage is applied to a discharge control TFT, and a lower common line through which a common voltage is applied to an upper common line.

04-11-2013

20130088477

LIQUID CRYSTAL DISPLAY DEVICE AND DRIVING METHOD THEREOF - An LCD device and a driving method thereof are provided. The LCD device includes a plurality of data driver ICs, a timing controller, a reference voltage generator, and a PCB. The data driver ICs include a gamma voltage generator which generates a gamma voltage. The timing controller generates an EPI packet for controlling the data driver ICs. The reference voltage generator reduces the driving voltage, and supplies the reduced driving voltage to the data driver IC. The reference voltage generator, the data driver ICs, and the timing controller are mounted on the PCB. A first transmission line which connects the reference voltage generator and the data driver ICs, and a second transmission line which connects the timing controller and the data driver ICs are formed on the PCB.

04-11-2013

20130127810

CIRCUIT FOR DRIVING LIQUID CRYSTAL DISPLAY DEVICE - A circuit for driving a liquid crystal display device includes a liquid crystal panel including a plurality of gate lines and data lines, a gate driver, a data driver, a memory for storing data necessary for operation of a timing controller and programmable power integrated circuit (PPIC) voltage setting data, the timing controller for reading and outputting the PPIC voltage setting data stored in the memory and reading the data necessary for operation of the timing controller stored in the memory and controlling the data driver and the gate driver, a PPIC for supplying a reference voltage, a gamma voltage and a common voltage to the data driver according to the voltage setting data supplied by the timing controller, and a power supply for receiving power from an external device and supplying power to each unit.

05-23-2013

20130155504

POLARIZATION GLASSES TYPE STEREOSCOPIC IMAGE DISPLAY - A polarization glasses type stereoscopic image display displaying a stereoscopic image on a display surface includes a thin film transistor array substrate, a color filter array substrate having a plurality of black matrix patterns formed on a first plane facing the thin film transistor array substrate, a plurality of black stripe patterns that are aligned correspondingly to the black matrix patterns on a second plane of the color filter array substrate opposite to the first plane, and a patterned retarder disposed over the second plane of the color filter array substrate. The overall vertical pitch of the patterned retarder is less than the overall vertical pitch of a pixel array formed on the display surface.

06-20-2013

20130155505

POLARIZATION GLASSES TYPE STEREOSCOPIC IMAGE DISPLAY - A polarization glasses type stereoscopic image display includes: a thin film transistor array substrate; a color filter array substrate having a plurality of black matrix patterns formed on a first plane facing the thin film transistor array substrate; a plurality of black stripe patterns that are aligned in a first direction correspondingly to the black matrix patterns on a second plane of the color filter array substrate opposite to the first plane; and a patterned retarder disposed over the second plane of the color filter array substrate. The width of the black stripe pattern is different depending on a display position with respect to the first direction. The first direction is directed from an upper side of the display to a lower side of the display.

06-20-2013

Lg Display Co., Ltd., Seoul KR

Patent application number

Description

Published

20130037810

THIN FILM TRANSISTOR SUBSTRATE AND METHOD FOR FABRICATING THE SAME - The present invention relates to a thin film transistor substrate and method for fabricating the same which can secure an alignment margin and reduce the number of mask steps. A thin transistor substrate according to the present invention includes a gate line and a data line crossing each other to define a pixel, a gate metal pattern under the data line, a thin film transistor having a gate electrode, a source electrode and a drain electrode in the pixel, and a pixel electrode connected to the drain electrode of the thin film transistor by a connection electrode, wherein the data line has a plurality of first slits to disconnect the gate metal pattern from the gate line.

02-14-2013

20130038643

LIQUID CRYSTAL DISPLAY MODULE AND DRIVING APPARATUS THEREOF - A liquid crystal display module includes a liquid crystal display panel, a plurality of lamps for irradiating a first light onto the liquid crystal display panel, and a back light unit including a plurality of light emitting diode arrays, each of the light emitting diode arrays having a plurality of light emitting diodes arranged between the lamps to irradiate a second light onto the liquid crystal display panel.

02-14-2013

20130040409

IN-PLANE SWITCHING MODE LIQUID CRYSTAL DISPLAY AND METHOD FOR FABRICATING THE SAME - A method for fabricating an in-plane switching (IPS) type liquid crystal display (LCD) device according to an embodiment includes forming gate lines arranged in a first direction and data lines arranged in a second direction substantially perpendicular to the first direction, the gate lines and the data lines defining pixel regions on an array substrate; forming a storage electrode on the array substrate; forming common electrodes extending across each pixel region; forming pixel electrodes arranged to be substantially parallel to the common electrodes, the common electrodes and the pixel electrodes being alternately arranged to generate an in-plane field in each pixel region; and forming thin film transistors (TFTs) at intersection areas of the gate lines and the data lines, each TFT including a source electrode connected to the corresponding data line, a drain electrode connected to the corresponding pixel electrode and a gate electrode.

02-14-2013

20130043785

ORGANIC EL DEVICE AND METHOD FOR MANUFACTURING THE SAME - A sealing layer covers more surely both of a display region and a peripheral region on a substrate. A dummy structure is formed in the peripheral region of the substrate. The dummy structure contains, for instance, at least one of the materials constituting an organic EL display structure. The dummy structure is located in the peripheral region so that the volume per unit area of the sealing layer in the peripheral region is substantially the same as that in the display region.

02-21-2013

20130044464

BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - Provided are a backlight unit and a display device having the same. The backlight unit includes a case having an opening, at least one lamp assembly disposed on a side surface of the case and including a light source, an optical transreflective unit on the case, the optical transreflective unit transmitting a portion of first light passing through the opening and reflecting a portion of second light generated from the light source, and an optical sheet including a first diffusion unit on the optical transreflective unit.

ARRAY SUBSTRATE FOR LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - A method of fabricating a liquid crystal display device includes: a first step of attaching a polarizing plate to an outer surface of a liquid crystal panel; a second step of attaching a tape carrier package (TCP) to the liquid crystal panel; a third step of coating a resin onto a rear surface of the TCP and a connection portion of the liquid crystal panel and the TCP; a fourth step of inspecting the TCP and the liquid crystal display panel; a fifth step of inserting the liquid crystal panel into a transferring means; a sixth step of transferring the transferring means; a seventh step of extracting the liquid crystal panel from the transferring means; a eighth step of attaching the TCP to a printed circuit board (PCB); a ninth step of inspecting the PCB, the TCP and the liquid crystal panel; and a tenth step of assembling the liquid crystal panel and a backlight unit with a plurality of frames.

03-14-2013

20130069077

White Organic Light Emitting Device - Disclosed white organic light emitting device includes an anode and a cathode opposing each other; a charge generation layer interposed between the anode and the cathode; a first stack interposed between the anode and the charge generation layer, the first stack including a first hole transport layer and a first light emitting layer emitting blue fluorescent light; and a second stack interposed between the charge generation layer and the cathode, the second stack including a second hole transport layer and a second light emitting layer formed by doping one host with at least one of phosphorescent dopant, wherein a triplet energy level of the first hole transport layer is higher than a triplet energy level of the first light emitting layer, and a hole mobility of the first hole transport layer is 5.0×10

03-21-2013

20130069853

Organic Light Emitting Diode Display Device and Method for Manufacturing the Same - An OLED display device includes a display area of a substrate to display images; a non-display area surrounding the display area and applying signals to pixels within the display area; a first thin film transistor formed in the non-display area of the substrate; a second thin film transistor formed in the display area of the substrate; a planarization film formed over the first and second thin film transistors; a first electrode formed on the planarization film in the non-display area and formed with at least one first opening; a second electrode formed on the planarization film and connected to a electrode of the second thin film transistor; a bank pattern formed on the second electrode and the first electrode and exposing a part of the second electrode. The bank pattern is adjacent to the first electrode.

03-21-2013

20130070007

Optical Compensation Method and Driving Method For Organic Light Emitting Display Device - An optical compensation method for an organic light emitting display device comprises: setting initial gain values of RGB subpixels; making each of the RGB subpixels converge on target luminance; selecting subpixels to emit light with the W subpixel from the RGB subpixels, and setting an initial gain value of the W subpixel; measuring color coordinates and luminance of the W subpixel to which the initial gain value is applied; calculating the luminance ratio of the W subpixel and the selected subpixels; adjusting maximum gains of the W subpixel and the selected subpixels; measuring maximum color coordinates and luminance ratio of the W subpixel and the selected subpixels; and making the W subpixel and the selected subpixels converge on target color coordinates and luminance.

03-21-2013

20130075710

ORGANIC ELECTRO-LUMINESCENCE DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - An OLED device is disclosed. The OLED device includes a first substrate including a driver element and a connection electrode connected to the driver element, a second substrate including an organic light emission diode element, a contact spacer electrically connected to the connection electrode, and a sealant disposed into a cavity which is formed by the first and second substrates, the connection electrode, the organic light emission diode element, and the contact space. Herein, the sealant is bonded to the contact spacer and the connection electrode and maintains the electric connection between the contact spacer and the connection electrode. In this manner, the driver element and the organic light emission diode element are protected from external oxygen and/or moisture, and the electric connection between the connection electrode and the contact spacer is reinforced. Accordingly, the contact defect between the connection electrode and the contact spacer can be prevented and the structural strength of the OLED device can be greatly improved.

03-28-2013

20130075768

Organic Light Emitting Diode Display Device and Method of Fabricating the Same - In an organic light emitting diode (OLED) display device and a method for fabricating the same, OLED pixels are patterned through a photolithography process, so a large area patterning can be performed and a fine pitch can be obtained, and an organic compound layer can be protected by forming a buffer layer of a metal oxide on an upper portion of the organic compound layer or patterning the organic compound layer by using a cathode as a mask, improving device efficiency. In addition, among red, green, and blue pixels, two pixels are patterned through a lift-off process and the other remaining one is deposited to be formed without patterning, the process can be simplified and efficiency can be increased.

03-28-2013

20130076675

TOUCH SCREEN DRIVER AND METHOD FOR DRIVING THE SAME - A touch screen driver and method for driving the same are disclosed. The touch screen driver includes a Tx driving circuit which sequentially supplies a pair of out-of-phase composed of a first driving signal and a second driving signal which has a phase difference of 180° with respect to the first driving signal and the second driving signal driving signals to Tx lines, wherein the first signal and the second signal are simultaneously supplied to the adjacent Tx lines, respectively; and an Rx driving circuit which samples a charge of the touch sensor received through the Rx lines coupled with the Tx lines and converts the sampled charge into digital data.

03-28-2013

20130076803

ORGANIC LIGHT EMITTING DISPLAY DEVICE AND DRIVING METHOD THEREOF - An organic light emitting display device includes: an APL calculation unit; a current value calculation unit output a first result value or output a second result value; a peak luminance controller configured to output a first luminance control signal based on a first gamma conversion value when receiving the first result value from the current value calculation unit and output a second luminance control signal based on a second gamma conversion value when receiving the second value from the current value calculation unit; a programmable gamma unit configured to output a gamma voltage; and a data driver configured to generate a data signal and supply the generated data signal to a display panel.

03-28-2013

20130077034

Liquid Crystal Display Device and Method for Manufacturing the Same - Disclosed are an LCD device and a method of manufacturing the same, in which a passivation layer and a pixel electrode are simultaneously formed by a single mask process using a half tone mask, and thus, manufacturing efficiency increases, and a defective contact due to loss of the pixel electrode can be prevented in a pad area. The LCD device includes a pad part including a pad area and a contact area. The LCD device includes a pixel pad formed in the pad area, a pixel bar formed in the contact area, and a bridge layer contacting the pixel pad with the pixel bar. The bridge layer is formed as a single layer or multi layers, and formed of one or more of a transparent conductive material and an opaque conductive material.

DISPLAY DEVICE - A display device is discussed. According to an embodiment, the display device includes a substrate; a first electrode positioned on the substrate; a second electrode; an organic emission layer interposed between the first electrode and the second electrode; an organic insulating film positioned on the second electrode and surrounding an emission area emitting light from the organic emission layer; and a passivation film covering the organic insulating film.

04-04-2013

20130082910

ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE - An organic light emitting diode (OLED) display includes a display panel including data lines, scan lines crossing the data lines, and pixels which each include an organic light emitting diode and are arranged in a matrix form, a power generator which is enabled in a normal mode to generate a high potential power voltage for driving the display panel and is disabled in a low power mode, and a panel driving circuit which drives the data lines and the scan lines, disables the power generator in the low power mode to cut off an output of the power generator, and supplies an internal power less than the high potential power voltage to the display panel to reduce the high potential power voltage in the low power mode.

04-04-2013

20130083885

BIDIRECTIONAL SHIFT REGISTER - Disclosed herein is a bidirectional shift register which is capable of preventing multi-outputs from both end stages. The shift register includes a plurality of stages for outputting scan pulses forward or reversely based on a start pulse and a plurality of clock pulses with a phase difference. A last one of the stages includes a forward scan controller for making a set node active and a reset node inactive based on any one of the clock pulses and a scan pulse from an upstream stage, a reverse scan controller for making the set node active and the reset node inactive based on any one of the clock pulses and the start pulse, and an output unit for outputting any one of a corresponding scan pulse and a deactivation voltage based on a voltage at the set node, a voltage at the reset node and any one of the clock pulses.

04-04-2013

20130087797

HIGH LIGHT TRANSMITTANCE IN-PLANE SWITCHING LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - The present disclosure relates to a high light transmittance in-plan switching liquid crystal display device and a method for manufacturing the same. The liquid crystal display device includes: a substrate; a gate line disposed in horizontal direction on the substrate; a gate insulating layer covering the gate line; a data line disposed in vertical direction on the gate insulating layer; an additional insulating layer on the data line having same size and shape with the data line; a passivation layer covering the additional insulating layer; and a common electrode overlapping with the data line on the passivation layer. According to the present disclosure, the failure due to the parasitic capacitance and the load for driving the display panel are reduced and it is possible to make large and high definition display panel.

04-11-2013

20130088654

STEREOSCOPIC IMAGE DISPLAY - A stereoscopic image display includes a liquid crystal display panel including a plurality of pixels, each of which is divided into a main pixel unit and an switchable black stripe, a data driving circuit, a gate driving circuit, and a 3D control voltage generation circuit, which supplies AC voltages, of which phases are sequentially shifted, to a plurality of 3D control lines in a 3D mode.

04-11-2013

20130088661

LIQUID CRYSTAL DISPLAY DEVICE MODULE - A liquid crystal display (LCD) device module includes a liquid crystal (LC) panel; a backlight unit disposed on a rear surface of the LC panel; a cover bottom where the LC panel and the backlight unit are mounted; a plurality of guide panels coupled to side surfaces of the cover bottom, and configured to support four side ends of the LC panel below the LC panel; and a case top configured to enclose outer surfaces of the guide panels.

04-11-2013

20130092909

WHITE ORGANIC LIGHT EMITTING DEVICE - A device for achieving reduced driving voltage and enhanced color stability under high luminance conditions includes an anode and cathode arranged on a substrate to be opposite each other, a charge generation layer between the anode and the cathode, a first stack formed between the anode and the charge generation layer and including a first light emitting layer, and a second stack formed between the charge generation layer and the cathode and including a second light emitting layer in which first and second hosts are doped with phosphorescent dopant, a HOMO level of the first host is greater than that of the second host, and a LUMO level of the first host is greater than an LUMO level of the second host.

04-18-2013

20130092910

ORGANIC LIGHT EMITTING DEVICE AND DISPLAY PANEL USING THE SAME - An organic light emitting device includes an anode, a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, an electron injection layer and a cathode laminated in this order, wherein the hole injection layer comprises a mixture of an inorganic material comprising at the least of one of an alkali metal oxide, an alkaline earth metal oxide, a halogen compound of an alkali metal, a halogen compound of an alkaline earth metal, and an organic material comprising at least one of compounds represented by Formula 1:

04-18-2013

20130092920

ORGANIC ELECTROLUMINESCENT DEVICE AND METHOD OF FABRICATING THE SAME - An organic electroluminescent device including a driving element having a driving gate electrode connected to the switching element, the driving gate electrode formed uniformly on the substrate, a driving source electrode having a first driving source electrode along a first direction and a plurality of second driving source electrodes extending from the first driving source electrode along a second direction crossing the first direction, a driving drain electrode spaced apart from the driving source electrode, the driving drain electrode having a first driving drain electrode along the first direction and a plurality of second driving drain electrodes extending from the first driving drain electrode along the second direction, wherein the plurality of second driving source electrodes alternate with the plurality of second driving drain electrodes, wherein the driving source electrode and the driving drain electrode including an interval therebetween are facing the driving gate electrode.

04-18-2013

20130093800

LIGHT EMITTING DISPLAY DEVICE - Disclosed herein is a light emitting display device capable of minimizing a difference in current driving capability between driving switching elements so as to improve image quality of the display device.

04-18-2013

20130099218

ORGANIC LIGHT-EMITTING DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An organic electro-luminescence device capable of reducing a resistance of a cathode electrode to enhance brightness uniformity at each location within the device is described. The organic electro-luminescence device includes a bank layer formed over a substrate, the bank layer including a first, second, and third portion. A first electrode is formed between the first and second portions of the bank layer. An auxiliary electrode is formed where at least a part of the auxiliary electrode is formed between the second and third portions of the bank layer. A voltage drop prevention pattern is formed on the auxiliary electrode. An organic material layer formed between the first and second portions of the bank layer. A second electrode formed on the organic material layer, where at least a portion of the second electrode is electrically coupled to the auxiliary electrode.

04-25-2013

20130099241

ARRAY SUBSTRATE FOR LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An array substrate includes first and second lines on a substrate and formed of a metallic material; a gate electrode connected to the first line; a gate insulating layer on the first and second lines and the gate electrode and including a groove exposing the substrate and positioned between the first and second lines; a semiconductor layer on the gate insulating layer and corresponding to the gate electrode; a data line crossing the first and second lines and on the gate insulating layer; a source electrode connected to the data line; a drain electrode spaced apart from the source electrode; a passivation layer on the data line, the source electrode and the drain electrode and including an opening, the opening exposing the gate insulating layer and the drain electrode; and a pixel electrode positioned on the gate insulating layer and in the opening and contacting the drain electrode.

04-25-2013

20130102098

ARRAY SUBSTRATE FOR LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - An array substrate for an in-plane switching mode liquid crystal display device includes a substrate, a gate line disposed along a first direction on the substrate, a data line disposed along a second direction and crossing the gate line to define a pixel region, a thin film transistor connected to the gate line and the data line, pixel electrodes disposed in the pixel region and connected to the thin film transistor, common electrodes disposed in the pixel region and alternating with the pixel electrodes, a semiconductor layer underlying the data line and including a portion having a width greater than a width of the data line, and a first blocking pattern comprising an opaque material and disposed under the semiconductor layer.

ARRAY SUBSTRATE FOR GATE-IN-PANEL-TYPE ORGANIC LIGHT-EMITTING DIODE DISPLAY DEVICE - An array substrate for a gate-in-panel (GIP)-type organic light-emitting diode (OLED) display device is provided. A plurality of circuit blocks are formed on gate circuit units and separated into pixel lines in which respective gate lines are disposed, and a plurality of clock lines formed in each of signal input units. Each of the signal input units includes at least one group. Each of the groups includes the plurality of clock lines. Each of the circuit blocks includes one or two partial circuit blocks, which are sequentially disposed in a row in a lengthwise direction of the gate line in each of the pixel lines. Each of the partial circuit blocks is included in a signal input unit disposed most adjacent thereto, and connected to a clock line formed in one group disposed most adjacent thereto through a plurality of first connection lines.

05-09-2013

20130113691

IMAGE DISPLAY DEVICE - An image display device includes a plurality of pixels, and feeders that commonly supply power to the plurality of pixels. In this image display device, each of the pixels has a light-emitting portion that emits light by a current supplied to the light-emitting portion, a driver that controls light emission of the light-emitting portion, and a switching portion electrically connected to the driver. The parasitic capacitance of the switching portion is determined with respect to each one pixel or one group of pixels according to the voltage drop of said feeder.

05-09-2013

20130113779

ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE - This embodiments herein relate to an organic light emitting diode display device comprising: a display panel configured to include a plurality of pixels disposed in a matrix form, wherein each of the pixels including: a driving TFT, an organic light emitting diode, a control circuit including first to fourth TFTs, capacitors. The embodiments described herein may improve accuracy of sensing a threshold voltage of the driving TFT even though the organic light emitting diode display device drives high frequency such as 240 Hz because sensing periods are long enough to sense the threshold voltage of the driving TFT. Also, the embodiments described herein may compensate a drop of a high potential voltage due to compensating the current between a drain electrode and a source electrode of the driving TFT by using the high potential voltage dropped.

05-09-2013

20130114016

APPARATUS FOR CONTROLLING CONSTANT CURRENT FOR MULTI-CHANNEL LEDS AND LIQUID CRYSTAL DISPLAY USING THE SAME - An apparatus for controlling the constant current for multi-channel LEDs includes: a plurality of LED channels each comprising an LED array, a transistor, and a variable emitter resistor; a feedback sensing circuit for sensing the collector or drain voltage of a transistor of each of the LED channels; and a controller for increasing the variable emitter resistance of an LED channel in which the collector voltage of the transistor is higher than those of the other LED channels, in response to a feedback sensing result input from the feedback sensing circuit.

05-09-2013

20130119357

White Organic Light Emitting Device and Display Device Using the Same - A white organic light emitting device, with improved color shift characteristics and improved efficiency according to viewing angle changes by controlling conditions for designing an optical path in organic material layers between a cathode and an anode or adjusting interior or exterior thicknesses of the organic material layers, has a structure including a first electrode and layers between the first electrode and a second electrode satisfies an optical path condition represented by the following equation

05-16-2013

20130119876

CIRCUIT AND METHOD OF DRIVING LIGHT EMITTING DIODES - An LED drive method is disclosed. In this way, the LED drive method allows not only the reference voltage to be periodically updated on the basis of the feedback drive voltages but also the drive voltage control signal to be generated using the updated reference voltage, in order to adjust the LED drive voltage applied to the LED array. Therefore, the LED drive circuit is hardly affected by the external environmental noise.

05-16-2013

20130120228

ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE - An organic light emitting diode display device comprises: a plurality of pixels, wherein each of the pixels comprising: a driving TFT including a gate electrode coupled to a first node, a source electrode coupled to a second node, and a drain electrode coupled to a high-potential voltage source; an organic light emitting diode including an anode coupled to the second node and a cathode coupled to a low-potential voltage source; a first TFT in response to a first scan signal to connect the first node to a data line; a second TFT in response to a second scan signal to connect the first node to a first reference voltage source; a third TFT in response to an emission signal to connect the second node to the third node; and capacitors.

05-16-2013

20130120343

Flat Panel Display and Method for Driving the Same - Disclosed herein are a flat panel display which is capable of reducing consumption of standby power, and a method for driving the same. The flat panel display includes a display unit for displaying an image, a driving circuit for controlling driving of the display unit, a receiver for receiving a user command, and a power supply unit for setting a power mode to a driving mode or a standby mode according to a predefined power setting or the user command, and supplying driving power to the display unit, driving circuit and receiver in the driving mode and only to the receiver in the standby mode. When the power mode is set to the standby mode, the power supply unit generates the driving power using a battery contained therein and supplies the generated driving power to the receiver, and cuts off input of external power.

05-16-2013

20130120349

DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - A display device and a method for driving the same are disclosed. The disclosed display device includes a display panel for displaying an image corresponding to a plurality of data signals transferred via a plurality of data lines, a data driver for driving the plurality of data lines, a timing controller for controlling driving timing of the data driver, and a charge sharing unit comprising a first charger allocated to a first data line group of the plurality of data lines, and a second charger allocated to a second data line group of the plurality of data lines, the charge sharing unit selectively performing charging and discharging operations among the first data line group, the first charger, the second data line group and the second charger under control of the timing controller.

05-16-2013

20130120351

STEREOSCOPIC IMAGE DISPLAY - 3D filter driving voltages can be stably supplied to the 3D filter via flexible printed circuit for distributing first to third voltages of the 3D filter driving voltage, even if electrodes of the 3D filter are shorted, by supplying the 3D filter driving voltages to the 3D filter in a distributed fashion.

05-16-2013

20130120472

4-PRIMARY COLOR DISPLAY AND PIXEL DATA RENDERING METHOD THEREOF - A 4-primary color display includes a display panel including a plurality of 4-primary color pixels each including red, green, blue, and white liquid crystal cells, and a pixel data rendering circuit for producing 4-primary color pixel data corresponding to a second horizontal resolution, which is equal to a physical horizontal resolution of the display panel, using 3-primary color pixel data corresponding to a first horizontal resolution, which is two times higher than the physical horizontal resolution of the display panel. The pixel data rendering circuit determines a weighting factor based on a luminance ratio of two 3-primary color pixel data so as to increase a cognitive horizontal resolution of a luminance in the 4-primary color pixel data to the first horizontal resolution, and reflects the weighting factor to the calculation of a gray value of one 4-primary color pixel data.

05-16-2013

20130120525

DUAL HOLOGRAPHY 3D DISPLAY DEVICE - The present disclosure relates to a dual holography three dimensional display device. The present disclosure suggests thin flat type holography 3D display device comprises: a left-eye display panel for representing a left-eye 3D image; and a right-eye display panel disposed at one side of the left-eye display panel for representing a right-eye 3D image. By combining the left-eye holography display panel with the right-eye holography display panel, it is possible to suggest high quality and high speed processed holography 3D images/video without expensive high speed processing display panel.

05-16-2013

20130120694

POLARIZER AND METHOD FOR MANUFACTURING LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A polarizer of a liquid crystal display device and a method for manufacturing a liquid crystal display device using the same is disclosed. The polarizer includes a main body, a protection film on the main body, and a cutting line formed on the protection film. A method for manufacturing a liquid crystal display device includes providing a liquid crystal panel and a protection film having an active region and a dummy region, the protection film including at least a cutting line in the dummy region or a boundary area between the active region and the dummy region; attaching the protection film to a polarizer; attaching the polarizer to a liquid crystal panel; and, removing the dummy region of the protection film along the cutting line from the liquid crystal panel.

05-16-2013

20130120816

THIN FLAT TYPE CONVERGENCE LENS - The present disclosure relates to a thin flat type convergence lens. The present disclosure suggests a thin flat type convergence lens including: a transparent substrate; and a film lens including a transparent film attached on one side of the transparent substrate and an interference fringe pattern written on the transparent film. The convergence lens according to the present disclosure has a merit of thin thickness and light weight even if it has large diagonal area, so it is easy to develop thin flat type large area holography 3D display system.

05-16-2013

20130120817

SPATIAL LIGHT MODULATING PANEL USING TRANSMITTIVE LIQUID CRYSTAL DISPLAY PANEL AND 3D DISPLAY DEVICE USING THE SAME - The present disclosure relates to a spatial light modulating panel using a transitive liquid crystal display panel and a three-dimensional display device using the same. The present disclosure suggests a spatial light modulator comprising: a plurality of pixels arrayed in a matrix manner; and a liquid crystal layer configured to modulate phase of an incident light passing through the each pixel, respectively. The spatial light modulator and the 3D display using the same according to the present disclosure provides thin flat type display system having the easy and simple structure and the low manufacturing cost.

05-16-2013

20130120981

Organic Light Emitting Display Panel and Method of Manufacturing the Same - An organic light emitting display panel with improved efficiency and lifespan and a method of manufacturing the same are disclosed. The organic light emitting display panel according to the present invention includes a substrate having red, green, blue, and white sub-pixel regions, red, green, and blue color filters respectively formed in the red, green, and blue sub-pixel regions, an overcoat layer that is formed in the red and green sub-pixel regions except for the blue and white sub-pixel regions or is formed in the sub-pixel regions such that a thickness of the overcoat layer in the red and green sub-pixel regions is greater than a thickness of the overcoat layer in the blue and white sub-pixel regions; and organic emitting cells respectively formed in the red, green, blue, and white sub-pixel regions.

05-16-2013

20130124140

Apparatus and Method for Driving Touch Sensor - Disclosed herein is an apparatus and method for driving a touch sensor, which is capable of improving touch sensitivity and accuracy. The touch sensor driving apparatus includes a touch sensor; a read-out circuit; and a signal processor configured to compare raw data from the read-out circuit with a predetermined primary reference value and secondary reference value so as to determine whether the touch node has been touched, wherein the signal processor collects the raw data of each touch node or each channel during a plurality of frames and resets and updates the secondary reference value of each touch node or each channel using the collected raw data.

05-16-2013

20130126837

ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device is disclosed which includes: a substrate defined into a display area and a non-display area; a light emission diode layer formed on the substrate and configured to emit light; a TFE layer formed on the light emission diode layer and configured to protect the light emission diode layer; an intrusive moisture guide layer configured to prevent moisture intrusion into the light emission diode layer; and a getter configured to absorb moisture which is guided by the intrusive moisture guide layer.

05-23-2013

20130126876

ARRAY SUBSTRATE FOR FRINGE FIELD SWITCHING MODE LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR FABRICATING THE SAME - The present invention relates to an array substrate for a fringe field switching (FFS) mode liquid crystal display device and a method for fabricating the same. The liquid crystal display device may include a gate line formed on the substrate; a data line crossed with the gate line to define a pixel region; a thin-film transistor (TFT) formed at an intersection of the gate and data line; an organic insulating layer formed to have an opening portion for exposing the TFT; a common electrode having an area formed at an upper portion of the organic insulating layer, and an auxiliary electrode pattern connected to the TFT through the opening portion; a passivation layer formed to expose the auxiliary electrode pattern connected to the TFT; and pixel electrodes electrically connected to the TFT through the exposed auxiliary electrode pattern.

05-23-2013

20130127692

ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE - An organic light emitting diode display device comprises: a display panel having a plurality of pixels, each of the pixels comprising: a driving TFT comprising a gate electrode coupled to a first node, a source electrode coupled to a second node, and a drain electrode coupled to a high-potential voltage source; an organic light emitting diode comprising an anode coupled to the second node and a cathode coupled to a low-potential voltage source; a first TFT in response to a scan signal having a first logic level voltage to connect the first node to a data line; a second TFT in response to an emission signal having the first logic level voltage to connect the second node to the third node; a first capacitor coupled between the first node and the third node; and a second capacitor coupled between the third node and a reference voltage source.

05-23-2013

20130128161

IMAGE DISPLAY DEVICE INCLUDING BARRIER CELL AND METHOD OF FABRICATING THE SAME - There are provided an image display device including a barrier cell, and a method of fabricating the same. The image display device includes: a display panel configured to display an image; and a barrier cell configured to block or transmit an image emitted from the display panel, wherein a pattern spacer for maintaining a cell gap of the barrier cell is disposed in correspondence to a white area of the barrier cell, and the white area transmits the image emitted from the display panel.

05-23-2013

20130130421

Method of Manufacturing Oxide Thin Film Transistor and Display Device - A method of manufacturing oxide thin film transistor and display device are provided. In the method of manufacturing an oxide thin film transistor, the method includes: forming an active layer of an oxide semiconductor on a substrate, and performing surface treatment with plasma for the active layer to permeate oxygen into the active layer.

05-23-2013

20130133839

APPARATUS AND METHOD FOR PEELING PROTECTIVE FILM AND METHOD FOR FABRICATING STEREOSCOPIC IMAGE DISPLAY DEVICE - An apparatus for peeling a protective film is provided to remove air bubbles in a film member with the protective film peeled, by moving a peeling unit so that the peeling unit performs peeling at a different position for each peeling process. The apparatus includes: a cylindrical plate for rotating a film member attached to the outer peripheral surface thereof, the film member having a protective film attached to the front surface thereof; a peeling unit comprising a peeling roller disposed at a side portion of the cylindrical plate to peel the protective film from the film member and a clamp for holding the peeled portion of the protective film; and a first moving unit for moving the peeling unit backward from the cylindrical plate to peel the protective film, wherein the peeling unit is moved along an axial direction of the cylindrical plate so that the peeling unit is contacted to the a different position of the protection film for each peeling process.

05-30-2013

20130134426

COMPOSITION OF ORGANIC INSULATING LAYER AND THIN FILM TRANSISTOR SUBSTRATE AND DISPLAY DEVICE USING THE SAME - Discussed is a composition of an organic insulating layer comprising a photosensitizer, a binder, an additive and a solvent, wherein the photosensitizer includes a photoacid generator (PAG), and a thin film transistor substrate and display device using the same, wherein the composition of the present invention enables to realize a simplified process by omitting an additional entire-surface exposing process for a color change, and a baking process after an exposing process; and to minimize a problem of color-coordinates shift by realizing a good light transmittance.

05-30-2013

20130135540

LIQUID CRYSTAL DISPLAY DEVICE HAVING TOUCH PANEL - A liquid crystal display device including a touch panel having a simple structure and minimized thickness is provided. The liquid crystal display (LCD) device according to an embodiment includes a liquid crystal panel and a touch panel structure. The liquid crystal panel includes a thin film transistor (TFT) array substrate, a color filter substrate having a black matrix therein, and a liquid crystal layer disposed between the TFT array substrate and the color filter substrate. The touch panel structure includes at least one touch sensor. Each touch sensor includes a first electrode disposed within the liquid crystal panel, and a second electrode disposed outside the liquid crystal panel.

05-30-2013

20130135721

SYSTEM AND METHOD FOR INSPECTING MISALIGNMENT BETWEEN DISPLAY PANEL AND FILM PATTERNED RETARDER - The present disclosure relates to a system and a method for inspecting misalign between a display panel and a film patterned retarder (FPR) in the stereoscopic image display separating polarized lights of a left-eye image and a right-eye image using the FPR. The present disclosure suggests a system for inspecting misalign between a display panel and a film patterned retarder, comprising: an inspection target panel including the display panel to which the film patterned retarder adheres; a misalign inspector for imaging edge images of both sides of the inspection target panel or imaging a central image of a pixel array of the inspection target panel; and a controller for analyzing an image received from the misalign inspector to measure a misalign degree between the film patterned retarder and the display panel.

05-30-2013

20130135723

GLASS PATTERNED RETARDER STEREOSCOPIC 3D DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - Discussed are a glass patterned retarder stereoscopic 3D display device and a method for fabricating the same. The device is capable of enhancing a viewing angle in upper and lower directions and an aperture ratio by forming light shielding patterns on a rear surface of a color filter substrate. Further, the device is capable of preventing scratches occurring on the light shielding patterns due to a polishing belt, by forming high hardness polymer on the light shielding patterns and removing stair-steps of a rear indium tin oxide (ITO).

05-30-2013

20130140537

ORGANIC LIGHT EMITTING DISPLAY DEVICE - Disclosed is an organic light-emitting display device defined into a non-display area and a display area which is provided with pixels. Each of the pixels includes: first through fourth nodes; an organic light emission element connected to the fourth node; a drive transistor disposed between the second, third, and fourth nodes and configured to generate a drive current which drives the organic light emission element to emit light; a storage capacitor disposed between the first and third nodes; first through fifth transistors; wherein the fifth transistor is disposed between the second node with the non-display area and a reference voltage line and configured to control an initialization of the second node.

THIN FILM TRANSISTOR AND ARRAY SUBSTRATE INCLUDING THE SAME - An array substrate includes a gate line on a substrate including a pixel region, the gate line extending in one direction; a gate electrode in the pixel region and extending from the gate line; a gate insulating layer on the gate line and the gate electrode; a data line on the gate insulating layer and crossing the gate line to define the pixel region; an oxide semiconductor layer on the gate insulating layer and having three ends, the oxide semiconductor layer corresponding to the gate electrode; an etch stopper on the oxide semiconductor layer to expose the three ends of the oxide semiconductor layer; a source electrode contacting two ends of the three ends of the oxide semiconductor layer and extending from the data line; and a drain electrode contacting one end of the three ends of the oxide semiconductor layer and spaced apart from the source electrode.

06-06-2013

20130140572

ARRAY SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME - An array substrate having a wiring of a pad region formed without an insulating film or without an insulating film and an organic film to reduce abnormal operations due to an increase in resistance caused by a contact margin at a high temperature, and a method for manufacturing the same are provided. The array substrate includes: an insulating substrate including a pad region and a thin film transistor (TFT) formation region; a first electrode layer formed in the pad region of the substrate; and a second electrode formed on the first electrode layer in an overlapping manner.

06-06-2013

20130141316

ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - An organic light emitting diode (OLED) display device and a method of driving the same are provided. A time point at which each of transistors is turned on is controlled without using an additional transistor so that a node connected to a source electrode of a driver transistor can be floated, and a node connected to a gate electrode of the driver transistor can be initialized to an initialization voltage level. Thus, initialization characteristics can be improved to enhance degradation of response characteristics and luminance, and a threshold voltage of the driver transistor and occurrence of a ripple at a high-potential voltage terminal can be compensated.

06-06-2013

20130141320

LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display generates k DEMUX control signals for controlling the turn-on time of the DEMUX switches so as not to overlap with each other, and generates at least some of the DEMUX control signals every 2 horizontal periods, and makes 1 pulse sustaining period of the DEMUX control signals generated every 2 horizontal periods to overlap with a tail portion of the preceding horizontal period and a front portion of the subsequent horizontal period, among two neighboring horizontal periods.

06-06-2013

20130141323

ELECTOPHORETIC DISPLAY DEVICE AND METHOD FOR FABRICATING THE SAME - An electrophoretic display device includes: a first substrate having a plurality of pixels formed in a plurality of vertical pixel rows and a plurality of horizontal pixel rows; a plurality of data lines formed at every vertical pixel row of the first substrate; a thin film transistor (TFT) formed at each pixel of the first substrate and including a source electrode, a drain electrode, an organic semiconductor layer, and a gate electrode; a passivation layer formed on the TFTs and the data lines of the first substrate and including a first contact hole exposing the drain electrode of the TFT and a second contact hole exposing the gate electrode of the TFT; a pixel electrode formed on the passivation layer at each pixel of the first substrate and connected with the drain electrode of the TFT via the first contact hole of the passivation layer; a plurality of gate lines formed on the passivation layer at every horizontal pixel row of the first substrate and connected with the gate electrode of the TFT via the second contact hole of the passivation layer; a second substrate attached to the first substrate in a facing manner; a common electrode formed on the second substrate; and an electrophoretic film formed between the first and second substrates.

06-06-2013

20130141372

TOUCH SCREEN SENSING DEVICE AND METHOD FOR SENSING TOUCH SCREEN - A touch screen sensing device includes a touch screen including touch sensors formed at crossings of Tx lines and Rx lines, a Tx driving circuit supplying a driving pulse to each of the Tx lines N times, and an Rx driving circuit which samples a signal voltage of the touch sensors received through the Rx lines and converts the sampled signal voltage into digital data. The Rx driving circuit includes a differential amplifier differentially amplifying signals received through the Rx lines, a low pass filter removing a radio frequency noise from an output of the differential amplifier, an amplifier amplifying an output of the low pass filter, and an integrator accumulating signal voltages which are successively output from the amplifier.

06-06-2013

20130141404

APPARATUS AND METHOD FOR DRIVING IMAGE DISPLAY DEVICE - An apparatus and method for driving an image display device are disclosed. The disclosed driving apparatus and method achieve synchronous driving of driving integrated circuits for driving an image display panel, through internal generation of drive control signals, thereby preventing a degradation in picture quality caused by erroneous driving timing while achieving an enhancement in product reliability. The driving apparatus includes a display panel, which includes a plurality of pixel regions, to display an image, a plurality of data integrated circuits, which share at least one of synchronizing signals internally generated therefrom, generate gate and data control signals in accordance with the shared synchronizing signal, and drive data lines of the display panel, using the internally-generated data control signals, and a gate driver for driving gate lines of the display panel in accordance with the gate control signal generated from one of the plural data integrated circuits.

06-06-2013

20130141414

STEREOSCOPIC IMAGE DISPLAY - The liquid crystal display of the present invention lowers the power consumption and heat generation of the data driving circuit

06-06-2013

20130141552

POLARIZED GLASSES TYPE STEREOSCOPIC IMAGE DISPLAY DEVICE AND FABRICATION METHOD THEREOF - According to a polarized glasses type stereoscopic image display device and a fabrication method thereof in accordance with the present invention, a light blocking pattern may be formed on a rear surface of the color filter substrate to enhance vertical viewing angle and aperture ratio. Moreover a light blocking pattern may be formed of a metal having a large hardness instead of resin BM and a step height from the rear surface ITO may be removed to prevent a scratch due to an abrasive belt.

06-06-2013

20130141679

LIQUID CRYSTAL DISPLAY FOR PREVENTING A LIGHT LEAKAGE - A liquid crystal display for preventing a light leakage is discussed. According to an embodiment, the liquid crystal display panel includes a first substrate having a black matrix that defines a non-display region and a display region, a second substrate on which a pixel array is formed, a liquid crystal layer between the first substrate and the second substrate, and a sealant between the first substrate and the second substrate, wherein a distance between the sealant and the black matrix is different in accordance with a position on which the sealant is formed.

06-06-2013

20130143464

Method of Fabricating Lightweight and Thin Liquid Crystal Display - In a method for fabricating a lightweight and thin liquid crystal display (LCD), a first mother substrate, a subsidiary substrate and a thin second mother substrate are provided. An edge cut is formed by cutting edges of the first and second mother substrates and the subsidiary substrate to be inclined at a predetermined angle. An array process is performed on the first mother substrate. The subsidiary substrate is attached to the second mother substrate. A color filter process is performed on the second mother substrate having the subsidiary substrate attached thereto. The first and second mother substrates are attached together. The subsidiary substrate is separated from the first and second substrates by spraying air between the second mother substrate and the subsidiary substrate, in which the edge cut is formed.

06-06-2013

20130146213

LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An LCD device includes first and second substrates, an alignment layer formed over at least one of the substrates, and a liquid crystal layer formed between the substrates. The alignment layer is formed of a mixture of rubbing alignment and UV alignment materials. A method of fabricating the LCD device includes preparing first and second substrates; coating an alignment layer over at least one of the substrates; performing a rubbing process on the substrate coated with the alignment layer; and irradiating polarized UV rays onto the substrate coated with the alignment layer, wherein the alignment layer is formed of a mixture of rubbing alignment a UV alignment materials. The rubbing process obtains high anchoring energy is obtained, thereby preventing afterimages. Also, the process of irradiating the polarized UV rays eliminates the problem of light leakage.

06-13-2013

20130146850

Tandem White Organic Light Emitting Device - A tandem white organic light emitting device with improved efficiency, voltage and lifetime includes a first electrode and a second electrode opposing each other, a charge generation layer formed between the first electrode and the second electrode, a first stack disposed between the first electrode and the charge generation layer, the first stack including a first light emitting layer emitting blue light, and a second stack disposed between the charge generation layer and the second electrode, the second stack including a second light emitting layer including one or more hosts doped with a phosphorescent dopant emitting light having a longer wavelength than blue light, wherein the charge generation layer includes an n-type charge generation layer doped with a metal and a p-type charge generation layer made of an organic material.

06-13-2013

20130146853

ORGANIC LIGHT-EMITTING DIODE (OLED) DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - There is provided an organic light-emitting diode (OLED) display device, including: a first substrate on which a plurality of sub-pixel areas are defined; a plurality of first electrodes in the plurality of sub-pixel areas, respectively; and a plurality of light-emitting layers over the plurality of first electrodes and corresponding to the plurality of sub-pixel areas, respectively; wherein at least one of the plurality of light-emitting layers extends to a neighboring sub-pixel area among the plurality of sub-pixel areas, and has an occupied area in the neighboring sub-pixel area.

06-13-2013

20130147690

ORGANIC LIGHT-EMITTING DISPLAY DEVICE WITH SIGNAL LINES FOR CARRYING BOTH DATA SIGNAL AND SENSING SIGNAL - An organic light-emitting display device having a signal line that is shared by a first column of pixels and a second column of pixels to transmit a data signal and a sensing signal. The organic light-emitting display device includes a plurality of columns of pixels, and a plurality of signal lines extending between the plurality of columns of pixels. Each of the plurality of signal lines is configured to transmit a data signal from a data driver to the first column of pixels at first times. The data signals control the operation of an organic light-emitting element in the first column of pixels. The same signal line transmits a sensing signal from the second column of pixels to the data driver at second times. The sensing signal represents a variable property of an electrical component in a pixel of the second column of pixels.

06-13-2013

20130147693

ORGANIC LIGHT EMITTING DISPLAY AND DEGRADATION COMPENSATION METHOD THEREOF - An organic light emitting display includes a display panel including pixels, a degradation sensing circuit which senses a threshold voltage of organic light emitting diodes included in the pixels and calculates an average degradation value defined by an average luminance value due to the degradation based on the sensed threshold voltage, a compensation target adjustor which adjusts a compensation target based on the average degradation value, each time the average degradation value is reduced by a previously determined reference value, and a data modulator which adds and subtracts a luminance compensation value determined depending on the adjusted compensation target to and from digital video data and modulates the digital video data.

06-13-2013

20130147694

ORGANIC LIGHT-EMITTING DISPLAY DEVICE WITH DATA DRIVER OPERABLE WITH SIGNAL LINE CARRYING BOTH DATA SIGNAL AND SENSING SIGNAL - An organic light emitting display device having a data line that is used for sending data voltage signals to pixels from a data driver as well as send sensor signals for detecting threshold voltage levels of driving transistors in the pixels at different times. By using the same data line to transmit the data voltage signals and the sensor signals, the number of signal lines in the organic light emitting display can be reduced. The data driver also includes switches for selectively coupling the data line to a driver unit or an analog to digital converter (ADC) unit.

06-13-2013

20130147697

Liquid Crystal Display Device Having Discharge Circuit And Method Of Driving Thereof - A liquid crystal display device discharges residual charge within the liquid crystal display panel. The liquid crystal display device comprises pixels defined by gate lines and data lines intersecting with each other and switching elements for driving the plurality of pixels; a level shifter comprising a first transistor connected between a gate-on voltage terminal and an output terminal and a second transistor connected between a gate-off voltage terminal and the output terminal to selectively output either the gate-on voltage or gate-off voltage to the plurality of gate lines; and a discharge circuit forming a discharge path connecting the gate-off voltage terminal and the ground terminal. The second transistor is turned on during the power-on of the liquid crystal display panel to apply the gate-off voltage. The discharge circuit is turned on to discharge the residual charge of the liquid crystal display panel through the discharge path.

06-13-2013

20130147735

DISPLAY DEVICE HAVING TOUCH SENSORS AND TOUCH DATA PROCESSING METHOD THEREOF - A display device having touch sensors includes a touch screen forming sensor nodes at crossings of Tx lines and Rx lines, a Tx driving circuit supplying a touch driving pulse to the Tx lines, an Rx driving circuit which receives voltages of the sensor nodes through the Rx lines, samples the sensor node voltages, and converts the sampled sensor node voltages into touch raw data through analog-to-digital conversion, and a touch controller which receives and binarizes the touch raw data, extracts a touch area based on the binarized touch raw data, differently sets a size of a computation block based on a position of the touch area and the number of touch areas, and performs a touch computation only on touch raw data of the computation block.

06-13-2013

20130147744

TOUCH SENSOR INTEGRATED TYPE DISPLAY AND METHOD FOR DRIVING THE SAME - A touch sensor integrated type display includes a display panel including a touch screen having touch sensors, a data driving circuit for driving data lines of the display panel, and a timing controller for generating a control signal for controlling a potential of an output terminal of the data driving circuit in vertical blank periods between adjacent vertical periods. The control signal selectively floats source output channels of the data driving circuit or selectively sets a potential of the source output channels to a predetermined voltage in the vertical blank periods.

06-13-2013

20130147775

DISPLAY DEVICE - A display device is disclosed which includes: a control substrate configured to include a timing controller; a data connector configured to transfer signal from the control substrate to a display panel; a data driver mounted to the data connector; at least one outer connector disposed by at least one of both sides of the data connector and loaded with a driver chip, wherein the driver chip and the data driver are loaded on the outer connector and the data connector using the same bonding system, respectively.

06-13-2013

20130147781

LIQUID CRYSTAL DISPLAY DEVICE - An LCD device is discussed which includes: a plurality of gate lines and a plurality of data lines arranged on a substrate; a data driver configured to apply data voltages the data lines; a gamma generator configured to apply a plurality of gamma voltages to the data driver, wherein the data line receives the data voltage which has an inverted polarity to those of data voltages on the adjacent data lines thereto, is inverted n times in polarity for every frame, and is over-driven for the gate lines opposite to time points of the polarity inversions.

06-13-2013

20130147864

Timing Controller, Liquid Crystal Display Device Having the Same, and Driving Method Thereof - A timing controller capable of adjusting luminance of a maximum gradation according to an amount of white of image data to thus enhance picture quality and reduce power consumption of a liquid crystal display device, a liquid crystal display device having the same, and a driving method thereof are provided. The timing controller includes: a gamma adjusting unit for receiving image data and a plurality of driving signals input from the outside, generating a gate control signal and a data control signal according to the plurality of driving signals, adjusting luminance according to an amount of white in the image data, and generating a corresponding gamma control signal.

06-13-2013

20130148050

LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR FABRICATING THE SAME - A liquid crystal display device to reduce damage of signal lines and switching devices caused by electrostatic discharge shock. The liquid crystal display device includes a plurality of pixels defined by intersections between gate lines and data lines, dummy pixels disposed along circumferences of the pixels, common lines disposed parallel to the gate lines, the common lines being connected to the pixels and the dummy pixels, a first gate metal to receive an exterior common voltage, second gate metals that extend from the common lines to one side, the second gate metals having a pad shape, a source-drain metal disposed in a direction parallel to the data lines at one side of the second gate metals, a first connection pattern to electrically connect the first gate metal to the source-drain metal, and a second connection pattern to electrically connect the source-drain metal to the second gate metals.

06-13-2013

20130148060

LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A liquid crystal display device is disclosed. The liquid crystal display device includes: a liquid crystal display panel configured to include color filters arranged to have different color arrangement in odd and even horizontal lines, and to display an image; an input portion configured to input data for pixels opposite to the color filters of the odd and even numbered horizontal lines; a data converter configured to compensate for the input data from the input portion using rendering filter values which are differently set according to the odd and even horizontal lines; a controller configured to re-arrange the compensated data from the data converter into a suitable format for the liquid crystal display panel; and a data driver configured to apply the re-arranged data from the controller to the liquid crystal display panel and drive the liquid crystal display panel.

06-13-2013

20130148072

NARROW BEZEL-TYPE LIQUID CRYSTAL DISPLAY DEVICE - An LCD device includes a first substrate including a display region having pixel regions and a non-display region disposed outside the display region; gate lines and data lines on the first substrate and cross each other to define the pixel regions; a TFT in each of the pixel regions; a pixel electrode in each pixel region and connected to the TFT; a second substrate disposed opposite the first substrate; a color filter layer on the second substrate; a common electrode; a liquid crystal layer between the first and second substrates; and an FPC connected to the non-display region on one side of the first substrate, the FPC being bent toward an outer side surface of the second substrate, wherein each of the gate lines has a double structure including a first layer of a transparent conductive material and a second layer of Cu or Cu alloy.

METHOD OF FABRICATING ARRAY SUBSTRATE - A method of fabricating an array substrate includes: forming a line or an electrode on a substrate on which a pixel region is defined, forming a protection layer on the line or the electrode, the protection layer formed of silicon nitride (SiN

ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF FABRICATING THEREOF - The present invention is to provide an organic light emitting display device for preventing a thin-film transistor from being deteriorated due to hydrogen when forming a light compensation layer configured to enhance viewing angle, and the organic light emitting display device may include a first substrate and a second substrate comprising a plurality of pixels; a thin-film transistor formed at each pixel of the first substrate; a color filter layer formed at each pixel; an insulating layer formed on the color filter layer; a light compensation layer formed on the insulating layer and made of a material containing no hydrogen; a pixel electrode formed on the light compensation layer of each pixel; an organic light emitting unit formed on the pixel electrode to emit light; and a common electrode formed on the organic light emitting unit.

06-20-2013

20130154977

LIQUID CRYSTAL DISPLAY DEVICE HAVING TOUCH AND THREE-DIMENSIONAL DISPLAY FUNCTIONS AND METHOD FOR MANUFACTURING THE SAME - Disclosed are a liquid crystal display device having touch and three-dimensional display functions and a method for manufacturing the same. The liquid crystal display device includes a touch and three-dimensional image display panel adhered to a liquid crystal panel through an adhesive layer, wherein the touch and three-dimensional image display panel includes a lower substrate provided with first and second electrodes for realizing a three-dimensional image, a upper substrate provided with third and fourth electrodes for sensing touch and a common electrode for realizing the three-dimensional image, and a liquid crystal display filled between the upper and lower substrates.

06-20-2013

20130155356

Liquid Crystal Display Device and Method of Fabricating Thereof - Disclosed is a liquid crystal display (LCD) device capable of enhancing an aperture ratio and a transmittance ratio. The LCD device includes a first substrate and a second substrate; a plurality of gate lines formed on the first substrate, each gate line having a first region and a second region with the width less than that of the first region; a plurality of data lines disposed so as to be perpendicular to the gate lines to define a plurality of pixel regions; a thin film transistor (TFT) formed on the first region of the gate line; a common electrode and a pixel electrode formed on the first substrate, and forming an electric field; a black matrix and a color filter layer formed on the second substrate; and a liquid crystal (LC) layer formed between the first substrate and the second substrate, wherein the first regions and the second regions of the gate lines are alternately disposed in an extending direction of the gate lines and in an extending direction of the data lines, and wherein two TFTs are formed on the first region of the gate line corresponding to the pixel region, two TFTS being respectively connected to pixel electrodes of two pixel regions adjacent to each other based on the gate line

06-20-2013

20130155506

PATTERNED RETARDER TYPE 3D DISPLAY HAVING IRREGULAR PATTERN BLACK STRIPS - The present disclosure relates to a patterned retarder type display having black strips irregularly disposed. The present disclosure suggests a patterned retarder type 3D display including: a display panel including a plurality of unit pixels disposed in a matrix manner; a patterned retarder including a plurality of unit retarder patterns disposed at every row of the plurality of the unit pixels and located in front of the display panel; and a black strip disposed between two unit pixels neighboring in a vertical direction and a width expanded in any one direction of an upside direction and a down side direction from a border line of the unit retarder pattern, wherein outer lines of the black strips disposed at the each unit pixel are irregularly disposed.

06-20-2013

20130161592

ORGANIC LIGHT EMITTING DIODE DISPLAY AND MANUFACTURING METHOD THEREOF - An OLED device is discussed which includes: a drive thin film transistor formed on a substrate; an organic light emitting diode configured with first electrode, a light emission layer and a second electrode which are sequentially formed on the substrate provided with the drive thin film transistor; a barrier film disposed on the substrate with the organic light emitting element and configure to include a retardation film, an optically isotropic film and a thin layer interposed between the retardation film and the optically isotropic film; and a polarizing plate disposed on the barrier film and configured to prevent reflection of external light.

06-27-2013

20130161595

Organic Light Emitting Display Device and Method of Manufacturing the Same - Provided are a method of manufacturing an organic light emitting display device and an organic light emitting display device manufactured by the method. The method includes calculating a peak-luminance current density for each of a red sub-pixel, a blue sub-pixel, a green sub-pixel, and a white sub-pixel, calculating an average use current density for each of the red sub-pixel, blue sub-pixel, green sub-pixel, and white sub-pixel; determining a size of each sub-pixel with the peak-luminance current density and the average use current density, and forming the sub-pixels with the determined sizes of the respective sub-pixels. The present invention sets the size of each sub-pixel in consideration of a peak-luminance current density and an average use current density, thus easily achieving the peak luminance and enhancing the color-coordinate life.

06-27-2013

20130161626

ARRAY SUBSTRATE FOR FLAT DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - Embodiments relate to an array substrate for a flat display device and a method of fabricating the same for reducing an over etch at a portion of the substrate where a data line is applied in a diagonal shape during the etching of the data line. As a result, disconnection of the data line may be reduced, which in turn reduces the failure rate of the flat display devices and enhances process yield.

06-27-2013

20130161631

DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - A display device and method for manufacturing the same are discussed. The display device according to an embodiment includes a substrate, a gate metal line disposed on the substrate, a gate insulating film configured to insulate the gate metal line, a data metal line disposed on the gate insulating film, and a protection film disposed at an area where the gate metal line and the data metal line overlap each other between the gate metal line and the data metal line.

06-27-2013

20130162175

DRIVE VOLTAGE GENERATION CIRCUIT FOR LIGHT EMITTING DIODE DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - A drive voltage generation circuit for an LED display device capable of increasing the input voltage range thereof is disclosed. The drive voltage generation circuit includes a booster that boosts an input voltage from an external source, to generate a boosted voltage, a protection switching element that controls whether or not the boosted voltage generated from the booster is to be output, in accordance with a switch control signal, a protection circuit that compares a level of the boosted voltage output from the booster via the protection switching element with a predetermined threshold voltage, selects one of a high voltage and a low voltage, based on a result of the comparison, and outputs the selected voltage as the switch control signal, and a discharger that discharges a low voltage node, to which the low voltage is applied.

06-27-2013

20130162327

METHOD AND SYSTEM FOR REDUCTION OF OFF-CURRENT IN FIELD EFFECT TRANSISTORS - A method for reducing an off-current of a field effect transistor in which two electrodes of the field effect transistor have fixed voltage values and the rest electrode has an alternating voltage value by an AC voltage pulse generator to form an off-stress near source and drain junctions in turn.

06-27-2013

20130162557

DISPLAY DEVICE HAVING TOUCH SENSORS AND METHOD FOR TRANSMITTING TOUCH COORDINATE DATA THEREOF - A display device having touch sensors includes a display panel having a touch screen, a Tx driving circuit supplying a touch driving pulse to Tx electrode lines of the touch screen, an Rx driving circuit which samples voltages of the touch sensors received through Rx electrode lines of the touch screen due to the supply of the touch driving pulse and outputs touch raw data from the voltages of the touch sensors, and a touch controller which obtains a plurality of touch groups based on the touch raw data, sets a transmission format of an effective touch group, on which a touch operation is performed, among the plurality of touch groups to a variable touch coordinate packet, and transmits the variable touch coordinate packet to an external host system.

06-27-2013

20130162570

LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFATURING THE SAME - Disclosed is an LCD device which realizes decreased thickness, simplified process, and decreased cost by using a common electrode for formation of electric field to drive liquid crystal as a sensing electrode, and removing a touch screen from an upper surface of the liquid crystal panel, the LCD device comprising gate and data lines crossing each other to define plural pixels on a lower substrate; a pixel electrode in each of the plural pixels; plural common electrode blocks patterned at the different layer from the pixel electrode, wherein the common electrode blocks, together with the pixel electrode, forms an electric field, and senses a user's touch; and plural sensing lines electrically connected with the common electrode blocks, wherein, if the sensing line is electrically connected with one of the common electrode blocks, the sensing line is insulated from the remaining common electrode blocks.

06-27-2013

20130162617

ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND METHOD FOR SENSING CHARACTERISTIC PARAMETERS OF PIXEL DRIVING CIRCUITS - Disclosed are an OLED display device and method for sensing characteristic parameters of pixel driving circuits. The display device includes a display panel including pixels each having a light emitting element and a pixel driving circuit for independently driving the light emitting element, and a characteristic parameter detecting unit for driving the pixel driving circuit of one of the plural pixels, which is a sensing pixel, sensing a voltage discharged in accordance with characteristics of a driving TFT in the pixel driving circuit of the sensing pixel, on a data line connected to the pixel driving circuit of the sensing pixel, among data lines connected to respective pixel driving circuits of the pixels, and detecting a threshold voltage (Vth) of the driving TFT and a deviation of a process characteristic parameter (k-parameter) of the driving TFT, using the measured voltage.

06-27-2013

20130162620

LIGHT EMITTING DISPLAY DEVICE - Disclosed is a light emitting display device capable of minimizing a current driving capability deviation among driving switching elements. The light emitting display device includes pixels each including a first TFT for supplying data voltage to a first node in response to a scan signal, a second TFT for forming a current path between first and second nodes in response to an emission control signal, a driving TFT for forming a current path between a first driving voltage supply line and a third node in accordance with a voltage level of the second node, a third TFT for supplying a reference voltage to a fourth node in response to a sensing signal, a fourth TFT for supplying an initialization voltage to the third node in response to an initialization signal, and a fifth TFT for supplying the reference voltage to the second node in response to the initialization signal.

06-27-2013

20130162926

Liquid Crystal Display Device and Method for Fabricating the Same - Disclosed are a liquid crystal display device which reduces the number of masks and improves an aperture ratio, and a method for fabricating the same. The liquid crystal display device includes gate and data lines perpendicularly intersecting on a substrate having pixel and pad parts; a thin film transistor on the substrate at the intersection of the gate and data lines; a pixel electrode on the substrate at the pixel part and connected directly to a drain electrode of the thin film transistor; an insulating film on the overall surface of the substrate including the pixel electrode and the thin film transistor; an organic film on the insulating film over the thin film transistor and the data line; and a common electrode of slit shapes overlapping the pixel electrode such that the insulating film is interposed between the common electrode and the pixel electrode.

06-27-2013

20130163255

ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD FOR FABRICATING THE SAME - An OLED device is discussed. The OLED device includes: a board assembly configured to include organic light emission elements; a plastic cover attached to the board assembly; and an adhesive layer filled between the board assembly and the plastic cover. The adhesive layer is formed from an adhesive composition which includes 50˜95 parts by weight of an acryl-based copolymer resin, 4.7˜44 parts by weight of an acryl monomer, 0.1˜2 parts by weight of a cross linking monomer, 0.1˜2 parts by weight of a visible light initiator, and 0.1˜2 parts by weight of an additive.

06-27-2013

20130164871

ARRAY SUBSTRATE FOR IN-PLANE SWITCHING MODE LIQUID CRYSTAL DISPLAY DEVICE HAVING DOUBLE-LAYERED METAL PATTERNS AND METHOD OF FABRICATING THE SAME - An array substrate of an in-plane switching liquid crystal display device includes, among other features, a gate electrode and a gate line having a first double-layered structure consisting of a first barrier layer and a first low resistance metallic layer; a data line defining a pixel region with the gate line, the data line having a second double-layered structure consisting of a second barrier layer and a second low resistance metallic layer; a plurality of common electrodes disposed in a direction opposite to an adjacent gate line; a thin film transistor (TFT) near a crossing of the gate and data lines, each of the source and drain electrodes of the TFT having the same double-layered structure as the data line; and a plurality of pixel electrodes arranged in an alternating pattern with the common electrodes and disposed in the direction opposite the adjacent gate line.

Organic Light Emitting Device and Method for Manufacturing the Same - An organic light emitting device, efficacy and lifetime of which are improved by forming a blue light emitting layer disposed over respective pixels in common as a double layer structure, includes a substrate divided into and defined by first to third pixels, a first electrode disposed on the TFT substrate and a second electrode facing the first electrode, the second electrode being spaced from the first electrode, a first light emitting layer and a second light emitting layer disposed in the first pixel and in the second pixel, respectively, between the first electrode and the second electrode, a sub-light emitting layer and a third light emitting layer disposed over the first to third pixels in this order on the first light emitting layer and the second light emitting layer.

07-04-2013

20130168653

ORGANIC LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME - An organic light emitting device includes a substrate divided into and defined by first to third pixels, a first electrode disposed on the substrate and a second electrode facing the first electrode, a first light emitting layer and a second light emitting layer disposed in the first pixel and in the second pixel, respectively, between the first electrode and the second electrode, a first triplet exciton confinement layer, a third light emitting layer and a second triplet exciton confinement layer disposed over the first to third pixels in this order, on the first light emitting layer and the second light emitting layer, and a first common layer disposed between the first light emitting layer and the second light emitting layer, and the first electrode, and a second common layer disposed between the second triplet exciton confinement layer and the second electrode.

07-04-2013

20130168655

ORGANIC LIGHT EMITTING DISPLAY DEVICE AND DRIVING METHOD OF THE SAME - An organic light emitting display device comprises: a lower substrate; a underlying wire formed on the lower substrate; and red, green, and blue subpixels each comprising a transistor section formed on the lower substrate and an organic light emitting diode, wherein the white subpixel comprises a first electrode which is non-overlapped with the underlying wire and is spaced apart from the underlying wire.

07-04-2013

20130169616

DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - Discussed are a display device and a method for controlling the same, which are capable of achieving a reduction in power consumption, through selective application of a charge share mode or a pre-charge mode in accordance with the swing width of a data voltage. The disclosed method includes the steps of determining a positive or negative polarity of input image data on the basis of reference data and outputting a pre-charge enable signal when two successive image data have the same polarity; supplying a pre-charge voltage to a corresponding output channel in response to the pre-enable signal; and converting the image data into a data voltage, supplying the converted data voltage to a corresponding data line through the corresponding output channel.

07-04-2013

20130169699

LIGHT EMITTING DISPLAY DEVICE AND DRIVING METHOD THEREOF - Disclosed is a light emitting display device capable of minimizing deviation of current driving capability between driving switching devices of respective pixels, thereby achieving enhanced screen quality. A method of driving the light emitting display device includes sensing the threshold voltage and mobility of driving Thin Film Transistor (TFT) of each pixel through each data line or each power line using a first sensing voltage; correcting an error of the mobility between the driving TFTs by again sensing the mobility of the driving TFT of each pixel through each data line or each power line using a second voltage; and compensating for video data to be displayed on a display panel using the threshold voltage and the corrected mobility.

07-04-2013

20130175512

Organic Light Emitting Display Device - Disclosed is an organic light emitting display device. The organic light emitting display device includes a substrate, a thin film transistor formed on the substrate, a first electrode formed on the thin film transistor, an organic emission layer, and a second electrode formed on the organic emission layer. The organic emission layer includes a first stack that includes a first emission layer formed on the first electrode to emit first color light, a second stack that includes a second emission layer formed on the first electrode to emit second color light, and a charge generation layer formed between the first and second stacks.

07-11-2013

20130182210

LIQUID CRYSTAL DISPLAY AND FABRICATING METHOD THEREOF - A liquid crystal display (LCD) includes: a gate line formed as a first conductive pattern; a common line formed as the first conductive pattern; a data line insulatedly crossing the gate line and the common line, and formed as a second conductive pattern; a thin film transistor (TFT) formed at a crossing of the gate line and the data line; a common electrode formed as a third conductive pattern, and connected with the common line; and a pixel electrode connected with the TFT and formed as the third conductive pattern to form a horizontal field together with the common electrode, wherein the third conductive pattern is formed as a dual-layer comprising a metal film and a low reflection film formed on the metal film.